ASA-201901-2 log generated external raw
[ASA-201901-2] polkit: privilege escalation |
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Arch Linux Security Advisory ASA-201901-2
=========================================
Severity: High
Date : 2019-01-08
CVE-ID : CVE-2018-19788
Package : polkit
Type : privilege escalation
Remote : No
Link : https://security.archlinux.org/AVG-828
Summary
=======
The package polkit before version 0.115+24+g5230646-1 is vulnerable to
privilege escalation.
Resolution
==========
Upgrade to 0.115+24+g5230646-1.
# pacman -Syu "polkit>=0.115+24+g5230646-1"
The problem has been fixed upstream but no release is available yet.
Workaround
==========
None.
Description
===========
A security issue has been found in polkit <= 0.115, where an
unprivileged user with a UID > INT_MAX can successfully execute any
systemctl command.
Impact
======
A local, unprivileged user whose UID is larger than INT_MAX can
escalate privileges.
References
==========
https://seclists.org/oss-sec/2018/q4/198
https://gitlab.freedesktop.org/polkit/polkit/issues/74
https://gitlab.freedesktop.org/polkit/polkit/commit/2cb40c4d5feeaa09325522bd7d97910f1b59e379
https://security.archlinux.org/CVE-2018-19788
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